232 lines
8.6 KiB
C++
232 lines
8.6 KiB
C++
/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2023 tildearrow and contributors
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "gui.h"
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#include "imgui_internal.h"
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#include <imgui.h>
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#include "../ta-log.h"
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#include "../engine/filter.h"
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void FurnaceGUI::drawXYOsc() {
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if (nextWindow==GUI_WINDOW_XY_OSC) {
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xyOscOpen=true;
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ImGui::SetNextWindowFocus();
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nextWindow=GUI_WINDOW_NOTHING;
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}
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if (!xyOscOpen) return;
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ImGui::SetNextWindowSizeConstraints(ImVec2(64.0f*dpiScale,32.0f*dpiScale),ImVec2(canvasW,canvasH));
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if (settings.oscTakesEntireWindow && !xyOscOptions) {
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ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding,ImVec2(0,0));
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ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing,ImVec2(0,0));
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ImGui::PushStyleVar(ImGuiStyleVar_ItemInnerSpacing,ImVec2(0,0));
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}
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if (ImGui::Begin("Oscilloscope (X-Y)",&xyOscOpen,globalWinFlags)) {
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if (xyOscOptions) {
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int xyOscXChannelP1 = xyOscXChannel+1;
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int xyOscYChannelP1 = xyOscYChannel+1;
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ImGui::Text("X Channel");
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ImGui::SameLine();
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if (ImGui::DragInt("##XChannel",&xyOscXChannelP1,1.0f,1,DIV_MAX_OUTPUTS)) {
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xyOscXChannel=MIN(MAX(xyOscXChannelP1,1),DIV_MAX_OUTPUTS)-1;
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} rightClickable
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ImGui::SameLine();
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ImGui::Checkbox("Invert##X",&xyOscXInvert);
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ImGui::Text("Y Channel");
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ImGui::SameLine();
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if (ImGui::DragInt("##YChannel",&xyOscYChannelP1,1.0f,1,DIV_MAX_OUTPUTS)) {
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xyOscXChannel=MIN(MAX(xyOscYChannelP1,1),DIV_MAX_OUTPUTS)-1;
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} rightClickable
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ImGui::SameLine();
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ImGui::Checkbox("Invert##Y",&xyOscYInvert);
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if (ImGui::SliderFloat("Zoom",&xyOscZoom,0.5f,4.0f,"%.2fx")) {
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xyOscZoom=MAX(xyOscZoom,0.0f);
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} rightClickable
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if (ImGui::IsItemHovered()) {
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ImGui::SetTooltip("%.1fdB",20.0f*log10f(xyOscZoom));
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}
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if (ImGui::IsItemClicked(ImGuiMouseButton_Middle)) {
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xyOscZoom=1.0f;
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}
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if (ImGui::SliderInt("Samples",&xyOscSamples,2,32768)) {
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xyOscSamples=MIN(MAX(xyOscSamples,2),32768);
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} rightClickable
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if (ImGui::SliderFloat("Decay Time (ms)",&xyOscDecayTime,1.0f,1000.0f,"%.1f",ImGuiSliderFlags_Logarithmic)) {
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xyOscDecayTime=MAX(xyOscDecayTime,0.0f);
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} rightClickable
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if (ImGui::SliderFloat("Intensity",&xyOscIntensity,0.0f,5.0f,"%.2f")) {
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xyOscIntensity=MAX(xyOscIntensity,0.0f);
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} rightClickable
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if (ImGui::SliderFloat("Line Thickness",&xyOscThickness,0.0f,10.0f,"%.2f")) {
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xyOscThickness=MAX(xyOscThickness,0.0f);
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} rightClickable
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if (ImGui::Button("OK")) {
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xyOscOptions=false;
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}
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} else {
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ImDrawList* dl=ImGui::GetWindowDrawList();
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ImGuiWindow* window=ImGui::GetCurrentWindow();
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ImVec2 size=ImGui::GetContentRegionAvail();
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ImVec2 minArea=window->DC.CursorPos;
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ImVec2 maxArea=ImVec2(
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minArea.x+size.x,
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minArea.y+size.y
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);
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ImRect rect=ImRect(minArea,maxArea);
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ImRect inRect=rect;
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inRect.Min.x+=dpiScale;
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inRect.Min.y+=dpiScale;
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inRect.Max.x-=dpiScale;
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inRect.Max.y-=dpiScale;
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ImVec2 inSqrCenter=rect.GetCenter();
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float inSqrLength;
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ImRect inSqr=inRect;
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if (rect.GetWidth() > rect.GetHeight()) {
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inSqrLength=inSqr.GetHeight()/2;
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inSqr.Min.x=inSqrCenter.x-inSqrLength;
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inSqr.Max.x=inSqrCenter.x+inSqrLength;
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} else {
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inSqrLength=inSqr.GetWidth()/2;
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inSqr.Min.y=inSqrCenter.y-inSqrLength;
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inSqr.Max.y=inSqrCenter.y+inSqrLength;
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}
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float scaleX=xyOscZoom*inSqrLength*(xyOscXInvert?-1:1);
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float scaleY=xyOscZoom*inSqrLength*(xyOscYInvert?1:-1);
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const ImGuiStyle& style=ImGui::GetStyle();
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ImU32 color=ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_WAVE]);
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color&=~IM_COL32_A_MASK;
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ImU32 borderColor=ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_BORDER]);
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ImU32 refColor=ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_REF]);
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ImU32 guideColor=ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_GUIDE]);
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ImGui::ItemSize(size,style.FramePadding.y);
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if (ImGui::ItemAdd(rect,ImGui::GetID("wsDisplay"))) {
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// background
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dl->AddRectFilledMultiColor(
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inRect.Min,
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inRect.Max,
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ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_BG1]),
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ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_BG2]),
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ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_BG4]),
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ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_BG3]),
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settings.oscRoundedCorners?(8.0f*dpiScale):0.0f
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);
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// axis guides
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dl->AddLine(
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ImLerp(rect.Min,rect.Max,ImVec2(0.0f,0.5f)),
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ImLerp(rect.Min,rect.Max,ImVec2(1.0f,0.5f)),
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refColor,
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dpiScale
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);
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dl->AddLine(
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ImLerp(rect.Min,rect.Max,ImVec2(0.5f,0.0f)),
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ImLerp(rect.Min,rect.Max,ImVec2(0.5f,1.0f)),
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refColor,
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dpiScale
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);
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bool reflect=xyOscXInvert!=xyOscYInvert;
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dl->AddLine(
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ImLerp(inSqr.Min,inSqr.Max,ImVec2(0.0f,reflect?0.0f:1.0f)),
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ImLerp(inSqr.Min,inSqr.Max,ImVec2(1.0f,reflect?1.0f:0.0f)),
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refColor,
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dpiScale
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);
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for (int i=1; i<5; i++) {
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float ip = (float)i/8.f;
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dl->AddRect(
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ImLerp(inSqr.Min,inSqr.Max,ImVec2(0.5f-ip,0.5f-ip)),
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ImLerp(inSqr.Min,inSqr.Max,ImVec2(0.5f+ip,0.5f+ip)),
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guideColor,
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0.0f,0,dpiScale
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);
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}
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// line
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const float* oscBufX=e->oscBuf[xyOscXChannel];
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const float* oscBufY=e->oscBuf[xyOscYChannel];
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if (oscBufX!=NULL && oscBufY!=NULL) {
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int pos=e->oscWritePos;
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float lx=inSqrCenter.x;
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float ly=inSqrCenter.y;
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float maxA=xyOscIntensity*256.f;
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float decay=exp2f(-1e3f/e->getAudioDescGot().rate/xyOscDecayTime);
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ImDrawListFlags prevFlags=dl->Flags;
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dl->Flags|=ImDrawFlags_RoundCornersNone;
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if (!settings.oscAntiAlias || safeMode) {
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dl->Flags&=~(ImDrawListFlags_AntiAliasedLines|ImDrawListFlags_AntiAliasedLinesUseTex);
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}
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if (settings.oscEscapesBoundary) {
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dl->PushClipRectFullScreen();
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}
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for (int i=0; i<xyOscSamples; i++) {
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pos=(pos-1)&32767;
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float x=oscBufX[pos]*scaleX+inSqrCenter.x;
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float y=oscBufY[pos]*scaleY+inSqrCenter.y;
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if (i != 0) {
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float a=maxA/sqrtf((x-lx)*(x-lx)+(y-ly)*(y-ly));
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if (a>=1) {
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a=MIN(a,255);
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dl->AddLine(ImVec2(lx,ly),ImVec2(x,y),(color|((ImU32)a<<IM_COL32_A_SHIFT)),xyOscThickness*dpiScale);
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}
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maxA*=decay;
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if (maxA<1) {
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break;
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}
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}
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lx=x;
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ly=y;
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}
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if (settings.oscEscapesBoundary) {
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dl->PopClipRect();
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}
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dl->Flags=prevFlags;
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}
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if (settings.oscBorder) {
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dl->AddRect(inRect.Min,inRect.Max,borderColor,settings.oscRoundedCorners?(8.0f*dpiScale):0.0f,0,1.5f*dpiScale);
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}
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}
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if (ImGui::IsItemHovered()) {
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float valX=20.0f*log10f(fabsf((ImGui::GetMousePos().x-inSqrCenter.x)/scaleX));
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float valY=20.0f*log10f(fabsf((ImGui::GetMousePos().y-inSqrCenter.y)/scaleY));
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if (valX<=-INFINITY && valY<=-INFINITY) {
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ImGui::SetTooltip("(-Infinity)dB,(-Infinity)dB");
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} else if (valX<=-INFINITY) {
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ImGui::SetTooltip("(-Infinity)dB,%.1fdB",valY);
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} else if (valY<=-INFINITY) {
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ImGui::SetTooltip("%.1fdB,(-Infinity)dB",valY);
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} else {
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ImGui::SetTooltip("%.1fdB,%.1fdB",valX,valY);
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}
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}
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if (ImGui::IsItemClicked(ImGuiMouseButton_Right)) {
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xyOscOptions=true;
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}
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if (settings.oscTakesEntireWindow) {
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ImGui::PopStyleVar(3);
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}
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}
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}
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if (ImGui::IsWindowFocused(ImGuiFocusedFlags_ChildWindows)) curWindow=GUI_WINDOW_XY_OSC;
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ImGui::End();
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}
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